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Training Brains May Help Paralyzed

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To somebody peeking into this little room, I'm just a middle-aged guy wearing a polka-dotted blue shower cap with a bundle of wires sticking out the top, relaxing in a recliner while staring at a computer screen.

But in my mind's eye, I'm a teenager sitting bolt upright on the black piano bench of my boyhood home, expertly pounding out the stirring opening chords of Chopin's Military Polonaise.

Not that I've ever actually played that well. But there's a little red box motoring across that computer screen, and I'm hoping my fantasy will change my brain waves just enough to make it rise and hit a target.

Some people have learned to hit such targets better than 90 percent of the time. During this, my first of 12 training sessions, I succeed 58 percent of the time.

But my targets are so big that I could have reached 50 percent by random chance alone.

Bottom line: Over the past half-hour, I've displayed just a bit more mental prowess than you'd expect from a bowl of Froot Loops.

Take a look at what other people have accomplished lately with signals from their brains: